pod install error

## cocoapods error

ios % pod install

Analyzing dependencies

firebase_analytics: Using Firebase SDK version '8.11.0' defined in 'firebase_core'

firebase_auth: Using Firebase SDK version '8.11.0' defined in 'firebase_core'

firebase_core: Using Firebase SDK version '8.11.0' defined in 'firebase_core'

firebase_messaging: Using Firebase SDK version '8.11.0' defined in 'firebase_core'

firebase_remote_config: Using Firebase SDK version '8.11.0' defined in 'firebase_core'

[!] CDN: trunk URL couldn't be downloaded: https://cdn.cocoapods.org/CocoaPods-version.yml Response: URL using bad/illegal format or missing URL

ios % pod repo update

[!] CDN: trunk URL couldn't be downloaded: https://cdn.cocoapods.org/CocoaPods-version.yml Response: URL using bad/illegal format or missing URL

## fix cocoapods error

ios % pod repo remove trunk

Removing spec repo `trunk`

(base) sungmin@sungminyunui-MacBookPro ios % pod repo update

Updating spec repo `cocoapods`

$ /usr/local/bin/git -C /Users/sungmin/.cocoapods/repos/cocoapods fetch origin --progress

remote: Enumerating objects: 426326, done.

remote: Counting objects: 100% (72369/72369), done.

remote: Compressing objects: 100% (1242/1242), done.

remote: Total 426326 (delta 71140), reused 72231 (delta 71080), pack-reused 353957

...